Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇲🇽 XA-VXL - Airbus A321 271NXSL - VivaAeroBus VIV543/VB543, Chicago O'Hare (ORD) to Don Miguel Hidalgo Y Costilla (GDL) - 4.0 mi away @ 31450 ft, heading SW at 517 mph. Spotted 6x before. [05:30:21 PM CST] #0D0F35 #XA_VXL #A21N #VIVA #VIV543 #VB543 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇲🇽 XA-VXL - Airbus A321 271NXSL - VivaAeroBus VIV633/VB633, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 6.7 mi away @ 39750 ft, heading SW at 493 mph. Spotted 5x before! [01:15:27 PM CDT] #0D0F35 #XA_VXL #A21N #VIVA #VIV633 #VB633 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇲🇽 XA-VXL - Airbus A321 271NXSL - VivaAeroBus VIV633/VB633, Chicago O'Hare (ORD) to General Mariano Escobedo (MTY) - 4.9 mi away @ 37850 ft, heading SW at 527 mph. Spotted 4x before! [02:53:01 PM CDT] #0D0F35 #XA_VXL #A21N #VIVA #VIV633 #VB633 #ADSB #ADSBbot